Simplify, where possible.3(5 - 3y)

A. 15 - 3y
B. 15 - 9y
C. -45y
D. 5 - 9y


Answer: B

Mathematics

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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 3 cos t, y = 3 sin t, ? ? t ? 2?

A. x2 + y2 = 1; Clockwise from
(1, 0) to (1, 0), one rotation

B. x2 + y2 = 9; Counterclockwise from
(-3, 0) to (3, 0)

C. x2 + y2 = 9; Counterclockwise from
(3, 0) to (3, 0), one rotation

D. x2 + y2 = 9; Clockwise from (3, 0) to (-3, 0)

Mathematics

Perform the indicated conversion within metric units of length.651 millimeters to centimeters

A. 65,100 cm B. 65.1 cm C. 6510 cm D. 6.5 cm

Mathematics

Simplify the expression. ? 

A.  
B.
C.  
D. 8z

Mathematics

Find the expression that is equivalent to the given rational expression.

A.
B.
C.
D. - 

Mathematics